Where does “varmobotelo” come from?

varmobotelo (Esperanto) comes from Esperanto varmo, from Esperanto varma, from English warm, from German warm, from Middle High German warm, from Old High German warm, from Proto-West Germanic warm, from Proto-Germanic warmaz.

varmobotelo (Esperanto): hot water bottle

Definitions

  1. hot water bottle

Ancestry of “varmobotelo”, step by step

varmobotelo traces back through two separate lines of ancestry.

via Esperanto varmo

StepLanguageWordMeaning
1Esperantovarmowarmth, heat
2Esperantovarmawarm, hot
3EnglishwarmHaving a temperature slightly higher than usual,...
4Germanwarmwarm; mildly hot; warm; keeping the wearer warm;...
5Middle High Germanwarm
6Old High Germanwarmwarm
7Proto-West Germanicwarmwarm
8Proto-Germanicwarmazwarm
9Proto-Indo-Europeangʷʰer-warm, hot
10Proto-Indo-Europeangʷʰe-gʷʰór-e ~ gʷʰe-gʷʰr-ḗr

via Esperanto botelo

StepLanguageWordMeaning
1Esperantobotelobottle
Every word from Proto-Indo-European gʷʰe-gʷʰór-e ~ gʷʰe-gʷʰr-ḗr